Many owners of BMW E60 and E61 530d/535d models experience challenges related to the rear axle . A common defect is excessive whining, often described as a howling from the rear of the vehicle . This can https://bmw-e60e61-530d-535d-dif592757.bcbloggers.com/40751234/bmw-e61-530-535-diesel-differential-problems-remedies